Can plecos live with electric blue acaras?

Verdict
Yes, with care

Yes, with care. Plecos and electric blue acaras can share a tank, but watch one thing. Plecos grow to 15 inches and need 125 gallons, far more than a tank set up for electric blue acaras.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Common pleco 72–86°Electric blue acara 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Common pleco 6.5–7.5Electric blue acara 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Common pleco · 15 inElectric blue acara · 6 in0"2"4"6"8"10"12"14"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Common plecoElectric blue acara
Temperature72–86 °F72–82 °F
pH6.5–7.56.5–7.5
Adult size15.0 in6.0 in
Minimum tank125 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsAlone or in pairs
DietHerbivoreOmnivore

Better tank mates for plecos

All common pleco tank mates

Better tank mates for electric blue acaras

All electric blue acara tank mates

Questions

Can plecos live with electric blue acaras?

Yes, with care. Plecos and electric blue acaras can share a tank, but watch one thing. Plecos grow to 15 inches and need 125 gallons, far more than a tank set up for electric blue acaras.

What temperature suits both plecos and electric blue acaras?

72–82 °F. Plecos need 72–86 °F, electric blue acaras need 72–82 °F.

What size tank do plecos and electric blue acaras need together?

At least 125 gal, set by the common pleco. Add space for each extra fish.